The Use of Hydrogen Gas Would Eliminate Most of the Air

question 32

Multiple Choice

The use of hydrogen gas would eliminate most of the air pollution problems we have today because:

• A) When it burns it combines with carbon dioxide and removes it from the air.
• B) When it burns it combines with water to produce heavy rainwater.
• C) When it burns it combines with oxygen gas in the air to produce water vapor.
• D) When it burns it combines with carbon to produce methane gas.
• E) More than one of the answers is correct.

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Definitions:

Spiral Cleavage

A type of embryonic development in some molluscs and annelids where cells divide in a spiral pattern.

Anterior End

The front part or head end of an organism, usually where sensory organs are concentrated.

Head End

The anterior or front part of an organism, often containing the brain and sensory organs.

Common Ancestor

A hypothetical or actual species from which two or more descendant species evolved.